非貿(mào)易

This non sequitur invalidates his argument. 他不根據(jù)前提推理因而論證無效。

Patience is a sine qua non for a good teacher. 做個優(yōu)秀教師必不可少的條件是要有耐心。

The diplomat was declared persona non grata. 這位外交家被宣布為不受歡迎的使節(jié)。

At first Reuters dealt with, commercial new. 最初路透社只辦商業(yè)新聞。

New York is a big commercial city. 紐約是一座大的商業(yè)城市。

He is declared personal non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開該國。